Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Interest revenue:
Loans, including fees	$ 291,595	$ 250,484	$ 575,578	$ 486,915
Investment securities, including tax exempt of $1,699, $1,731, $3,420 and $3,841, respectively	50,063	41,060	96,499	81,046
Deposits in banks and short-term investments	5,307	4,231	11,616	7,301
Total interest revenue	346,965	295,775	683,693	575,262
Interest expense:
Deposits	134,462	89,217	268,246	147,078
Short-term borrowings	60	1,849	60	2,997
Federal Home Loan Bank advances	0	649	0	5,761
Long-term debt	3,743	3,774	7,538	7,670
Total interest expense	138,265	95,489	275,844	163,506
Net interest revenue	208,700	200,286	407,849	411,756
Provision for credit losses	12,235	22,753	25,134	44,536
Net interest revenue after provision for credit losses	196,465	177,533	382,715	367,220
Noninterest income:
Wealth management fees	6,386	5,600	12,699	11,324
Gains from sales of other loans	1,296	2,305	2,833	4,221
Lending and loan servicing fees	3,328	2,978	7,538	6,994
Securities losses, net	0	0	0	(1,644)
Other	8,127	9,143	18,879	16,120
Total noninterest income	36,556	36,387	76,143	66,596
Total revenue	233,021	213,920	458,858	433,816
Noninterest expenses:
Salaries and employee benefits	85,818	76,250	170,803	154,948
Communications and equipment	11,988	10,744	23,908	20,752
Occupancy	11,056	10,194	22,155	20,083
Advertising and public relations	2,459	2,314	4,360	4,663
Postage, printing and supplies	2,251	2,382	4,899	4,919
Professional fees	6,044	6,592	12,032	12,664
Lending and loan servicing expense	2,014	2,530	3,841	4,849
Outside services - electronic banking	2,812	2,660	5,730	6,085
FDIC assessments and other regulatory charges	4,467	4,142	12,033	8,143
Amortization of intangibles	3,794	3,421	7,681	6,949
Merger-related and other charges	2,157	3,645	4,244	12,276
Other	12,184	7,533	20,360	15,881
Total noninterest expenses	147,044	132,407	292,046	272,212
Income before income taxes	85,977	81,513	166,812	161,604
Income tax expense	19,362	18,225	37,566	36,016
Net income	66,615	63,288	129,246	125,588
Net income available to common shareholders, basic	64,674	61,227	125,387	121,470
Net income available to common shareholders, diluted	$ 64,674	$ 61,227	$ 125,387	$ 121,470
Net income per common share:
Basic (in dollars per share)	$ 0.54	$ 0.53	$ 1.05	$ 1.05
Diluted (in dollars per share)	$ 0.54	$ 0.53	$ 1.05	$ 1.05
Weighted average common shares outstanding:
Basic (in shares)	119,726	115,774	119,694	115,614
Diluted (in shares)	119,785	115,869	119,763	115,795
Service charges and fees
Noninterest income:
Service charges and other related fees	$ 10,620	$ 9,777	$ 19,884	$ 18,476
Mortgage loan gains and other related fees
Noninterest income:
Service charges and other related fees	$ 6,799	$ 6,584	$ 14,310	$ 11,105